Photobacterium indicum
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,  
Photobacterium indicum
(Johnson and Weisrock 1969) Xie and Yokota 2004.
Historical synonyms:
Hyphomicrobium indicum Johnson and Weisrock 1969,
Hyphomicrobium indium  Weisrock  and  Johnson 1966.
Gram-negative, pleomorphic cells, rod or coccus-shaped, 0.7-1.0 x 2.0-6.0 μm, motile
by means of a polar, monotrichous flagellum.
Colonies are thin,  white or cream-coloured but later become yellow; colonies up to 2
mm in 24 hours. Grow on  medium ( peptone, yeast extract, MgSO
4. 7H2O, sea water,
distilled water) at 24 ºC. Grow between 4-25 ºC & pH 4.5-9.5.
Isolated from a sample of bottom mud, Indian Ocean, at 400 m depth. Erythromycin, tetracycline, penicillin & pteridine (O/129) resistant.
Unknown.
  1. C.H. Xie and Akira Yokota, 2004. Transfer of Hyphomicrobium indicum to the genus Photobacterium as Photobacterium indicum
    comb. nov. IJSEM 54, 2113-2116.
  2. Peter Hirsch, 1974. Genus Hyphomicrobium Stutzer and Hartleb 1898. In: R.E.Buchanan & N.E.Gibbons (Co-editors),Bergey’s
    Manual of Determinative Bacteriology, Eight Edition, The Williams & Wilkins Company, Baltimore, 148-151.
Positive results for gas and acid production from D-glucose, production of H2S, production of indole, nitrate reduced, maltose
utilization for fermentation, sucrose utilization for fermentation, glucose utilization for fermentation & phenylalanine deaminase.

Negative results:  cannot use lactose, arabinose, gelatin, casein or starch for fermentation , urease, catalase, oxidase & lysine
decarboxylase.
(c) Costin Stoica
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